使用iText生成波斯语PDF [英] generating Persian PDF with iText

问题描述

嗨
我知道很多人之前可能会问过这个问题。我几乎阅读了所有这些内容，但它无法帮我解决问题。
我正在使用iText java库生成一个波斯语PDF。我使用以下代码：

Hi
I know that many people may have asked this question before. I've read almost all of them`but it couldn't help me solve my problem.
I'm using iText java library to generate a Persian PDF. I'm using the following code:

Document document = new Document(PageSize.A4,50,50,50,50);
FileOutputStream fos = new FileOutputStream("D:\\ITextTest.pdf");
PdfWriter writer = PdfWriter.getInstance(document,fos);
document.open();
BaseFont bf = BaseFont.createFont("C:\\Windows\\Fonts\\XB YagutBd.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
Font a = new Font(bf,10);
Paragraph p1 = new Paragraph("سلام دوست من");
p1.setFont(a);
document.add(p1);
document.close();

但是当我执行代码时，没有任何内容写入PDF文件并且它是空白的。请注意，XB YagutBd.ttf是波斯语Unicode字体，p1包含一些波斯语字符。

But when I execute the code, nothing has been written to the PDF file and it's blank. Note that "XB YagutBd.ttf" is a Persian Unicode font and "p1" contains some Persian characters.

我该怎么办？我已经陷入了这个问题......请帮帮我。

What should I do? I've gotten stuck in this problem... help me please.

推荐答案

只有部分iText元素支持RTL，所以as PdfPCell，PdfPTable，ColumnText。
只有这些元素有 RunDirection 属性，可以设置为 PdfWriter.RUN_DIRECTION_RTL value。 （更多波斯语信息）

Only some of the iText elements support RTL, shuch as PdfPCell, PdfPTable, ColumnText. Only these elements have RunDirection property which can be set to PdfWriter.RUN_DIRECTION_RTL value. (more info in Persian)

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